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NuTone Intercom Photo Gallery > NuTone Model IM4006 AM FM Cassette Intercom Master Station > NuTone IM4006 main control PCB connectors

NuTone IM4006 main control PCB connectors

To work on the IM4006 power supply the control PCB needs to be removed. Inside the red box are the row of multi-pin connectors that the interconnect cables unplug from.  Each connector is a different shape and size, so it's difficult to get them plugged into the wrong sockets.